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Annotation of src/usr.bin/window/ttinit.c, Revision 1.1

1.1     ! deraadt     1: /*     $NetBSD: ttinit.c,v 1.3 1995/09/28 10:34:50 tls Exp $   */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1983, 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * This code is derived from software contributed to Berkeley by
        !             8:  * Edward Wang at The University of California, Berkeley.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer.
        !            15:  * 2. Redistributions in binary form must reproduce the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer in the
        !            17:  *    documentation and/or other materials provided with the distribution.
        !            18:  * 3. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *     This product includes software developed by the University of
        !            21:  *     California, Berkeley and its contributors.
        !            22:  * 4. Neither the name of the University nor the names of its contributors
        !            23:  *    may be used to endorse or promote products derived from this software
        !            24:  *    without specific prior written permission.
        !            25:  *
        !            26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            36:  * SUCH DAMAGE.
        !            37:  */
        !            38:
        !            39: #ifndef lint
        !            40: #if 0
        !            41: static char sccsid[] = "@(#)ttinit.c   8.1 (Berkeley) 6/6/93";
        !            42: #else
        !            43: static char rcsid[] = "$NetBSD: ttinit.c,v 1.3 1995/09/28 10:34:50 tls Exp $";
        !            44: #endif
        !            45: #endif /* not lint */
        !            46:
        !            47: #include "ww.h"
        !            48: #include "tt.h"
        !            49:
        !            50: int tt_h19();
        !            51: int tt_h29();
        !            52: int tt_f100();
        !            53: int tt_tvi925();
        !            54: int tt_wyse75();
        !            55: int tt_wyse60();
        !            56: int tt_zapple();
        !            57: int tt_zentec();
        !            58: int tt_generic();
        !            59: struct tt_tab tt_tab[] = {
        !            60:        { "h19",        3, tt_h19 },
        !            61:        { "h29",        3, tt_h29 },
        !            62:        { "f100",       4, tt_f100 },
        !            63:        { "tvi925",     6, tt_tvi925 },
        !            64:        { "wyse75",     6, tt_wyse75 },
        !            65:        { "wyse60",     6, tt_wyse60 },
        !            66:        { "w60",        3, tt_wyse60 },
        !            67:        { "zapple",     6, tt_zapple },
        !            68:        { "zentec",     6, tt_zentec },
        !            69:        { "generic",    0, tt_generic },
        !            70:        0
        !            71: };
        !            72:
        !            73: ttinit()
        !            74: {
        !            75:        int i;
        !            76:        register struct tt_tab *tp;
        !            77:        register char *p, *q;
        !            78:        register char *t;
        !            79:
        !            80:        tt_strp = tt_strings;
        !            81:
        !            82:        /*
        !            83:         * Set output buffer size to about 1 second of output time.
        !            84:         */
        !            85:        i = MIN(wwbaud/10, 512);
        !            86:        if ((tt_ob = malloc((unsigned) i)) == 0) {
        !            87:                wwerrno = WWE_NOMEM;
        !            88:                return -1;
        !            89:        }
        !            90:        tt_obp = tt_ob;
        !            91:        tt_obe = tt_ob + i;
        !            92:
        !            93:        /*
        !            94:         * Use the standard name of the terminal (i.e. the second
        !            95:         * name in termcap).
        !            96:         */
        !            97:        for (p = wwtermcap; *p && *p != '|' && *p != ':'; p++)
        !            98:                ;
        !            99:        if (*p == '|')
        !           100:                p++;
        !           101:        for (q = p; *q && *q != '|' && *q != ':'; q++)
        !           102:                ;
        !           103:        if (q != p && (t = malloc((unsigned) (q - p + 1))) != 0) {
        !           104:                wwterm = t;
        !           105:                while (p < q)
        !           106:                        *t++ = *p++;
        !           107:                *t = 0;
        !           108:        }
        !           109:        for (tp = tt_tab; tp->tt_name != 0; tp++)
        !           110:                if (strncmp(tp->tt_name, wwterm, tp->tt_len) == 0)
        !           111:                        break;
        !           112:        if (tp->tt_name == 0) {
        !           113:                wwerrno = WWE_BADTERM;
        !           114:                return -1;
        !           115:        }
        !           116:        if ((*tp->tt_func)() < 0) {
        !           117:                wwerrno = WWE_CANTDO;
        !           118:                return -1;
        !           119:        }
        !           120:        if (wwgetttysize(0, &tt.tt_nrow, &tt.tt_ncol) < 0)
        !           121:                return -1;
        !           122:        tt.tt_scroll_top = 0;
        !           123:        tt.tt_scroll_bot = tt.tt_nrow - 1;
        !           124:        return 0;
        !           125: }